Former top U.S. diplomat warns current policy toward Iran is ‘untethered to any coherent strategy’

President Trump seriously miscalculated when he scrapped the U.S.-Iran nuclear deal, embarking on a policy “untethered to any coherent strategy,” according to a scathing assessment by William Burns, the former U.S. diplomat who negotiated the nuclear agreement. Burns told the Yahoo News show “Skullduggery” the move is certain to embolden hardliners in Tehran and contribute to military tensions in a way that will backfire against the U.S.